(6)「あなたがたは彼がいつ帰ってくるか知らないのですか」 「はい, 知りません」 we Don't you know when he will come back? 5《付加疑問文(be 動詞· 助動詞)〉 次の文の」 に適する語を入れて, 付加疑問文にしなさい。 (1) You are happy, (2) Ms. Green is from America, (3) Yesterday was your birthday, (4) Your sister can play the piano, (5) Kumi will come here by noon, (6) This isn't your pencil, (7) He can't speak English well, (8) Koji couldn't answer the question, 6 《付加疑問文(一般動詞)) 次の文の